import type { DataPoint } from './types';
/**
 * Calculates the data extent for a given path in the data array.
 * @param data - The data array.
 * @param path - The path to the desired data.
 * @returns The data extent as an array containing the minimum and maximum values.
 */
export declare function dataExtentFor<T extends DataPoint>(data: Array<T>, path: string, filter?: (d: T) => boolean): [number | Date | undefined, number | Date | undefined];